11381680

素因数分解:

$2^4\times 5^1\times {\mathrm{142271}}^1$

素因数の和:142284

約数の個数: 20

約数和(自身を含む): 26462592

約数和(自身を除く): 15080912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142271, 284542, 569084, 711355, 1138168, 1422710, 2276336, 2845420, 5690840, 11381680]

約数ペア:

[(1, 11381680), (2, 5690840), (4, 2845420), (5, 2276336), (8, 1422710), (10, 1138168), (16, 711355), (20, 569084), (40, 284542), (80, 142271)]